CMakeLua/Utilities/cmxmlrpc/xmlrpc_strutil.c

   1 #include <string.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <ctype.h>
   5
   6 #include "xmlrpc.h"
   7 #include "xmlrpc_int.h"
   8 #include "xmlrpc_config.h"
   9
  10
  11
  12 const char *
  13 xmlrpc_makePrintable(const char * const input) {
  14 /*----------------------------------------------------------------------------
  15    Convert an arbitrary string of bytes (null-terminated, though) to
  16    printable ASCII.  E.g. convert newlines to "\n".
  17
  18    Return the result in newly malloc'ed storage.  Return NULL if we can't
  19    get the storage.
  20 -----------------------------------------------------------------------------*/
  21     char * output;
  22     const size_t inputLength = strlen(input);
  23
  24     output = malloc(inputLength*4+1);
  25
  26     if (output != NULL) {
  27         unsigned int inputCursor, outputCursor;
  28
  29         for (inputCursor = 0, outputCursor = 0;
  30              inputCursor < inputLength;
  31              ++inputCursor) {
  32
  33             if (isprint((int)(input[inputCursor])))
  34                 output[outputCursor++] = input[inputCursor];
  35             else if (input[inputCursor] == '\n') {
  36                 output[outputCursor++] = '\\';
  37                 output[outputCursor++] = 'n';
  38             } else if (input[inputCursor] == '\t') {
  39                 output[outputCursor++] = '\\';
  40                 output[outputCursor++] = 't';
  41             } else if (input[inputCursor] == '\a') {
  42                 output[outputCursor++] = '\\';
  43                 output[outputCursor++] = 'a';
  44             } else if (input[inputCursor] == '\r') {
  45                 output[outputCursor++] = '\\';
  46                 output[outputCursor++] = 'r';
  47             } else {
  48                 snprintf(&output[outputCursor], 4, "\\x%02x",
  49                          input[inputCursor]);
  50             }
  51         }
  52         output[outputCursor+1] = '\0';
  53     }
  54     return output;
  55 }
  56
  57
  58
  59 const char *
  60 xmlrpc_makePrintableChar(char const input) {
  61
  62     const char * retval;
  63
  64     if (input == '\0')
  65         retval = strdup("\\0");
  66     else {
  67         char buffer[2];
  68
  69         buffer[0] = input;
  70         buffer[1] = '\0';
  71
  72         retval = xmlrpc_makePrintable(buffer);
  73     }
  74     return retval;
  75 }